The hadiest Banana for growing in the UK is Musa Basjoo. It’s root hardy. In an exceptionally severe winter like 2009/10 it may be reduced to ground level if unprotected, but will produce new stems from the base in spring/summer. However, if you take the time to wrap it, this will usually offer enough protection to preserve the trunk through the winter.. Its inflorescence is one of the most beautiful of all bananas. Strong fibers in the trunk of the 'Basjoo' have been used to make fabrics. It is a great landscape plant, it lends a tropical appearance to any situation. This is a great addition for gardeners living in cold temperate areas. Musa Basjoo also does very well in containers and makes a good interior plant.
It can produce bananas but they are not edible. This Japanese native is hardy to zero when mulched and is known as the Japanese Fiber Banana. It will grow to 10 feet tall (less than 10' in a large pot) and grace your northern yard with giant tropical looking banana stems and leaves. Though its seedy fruit is not palatable the flowers are showy. It needs sun, lots of summer water and lots of nitrogren for rapid growth. After the first fall frost, prune the stems to a foot high and use the leaves for mulch. By each May new growth will be spectacular.
This is one of the most common Banana tree varieties for all locations. It will proper care it will start to produce Bananas in 10 to 15 months after planting. M. basjoo grows from 12 to18 feet tall and is easy to care for. It bears inedible fruit, so this one is grown strictly for its looks in the residential landscape. The plant won't flower or grow bananas until it's about 3 years old; however, many people grow it for its large and beautiful foliage where it looks amazing in an exotic garden check out this exotic garden blog from the UK for photos of it in situ.
It’s a greedy plant and loves moist but not waterlogged conditions. Yellow leaves are a sign that its hungry, and slow growth is often due to lack of water during the growing season. Plants in the ground benefit from a liberal dose of manure at planting time and annually thereafter. Plants in pots can be fed weekly during the growing season with a high nitrogen feed.